公开(公告)号：US20160112724A1

公开(公告)日：2016-04-21

申请号：US14883256

申请日：2015-10-14

Applicant: QUALCOMM Incorporated

Inventor： Fnu Hendry ,  Ye-Kui Wang ,  Adarsh Krishnan Ramasubramonian

IPC: H04N19/70 ,  H04L29/06 ,  H04N19/44

CPC classification number: H04N19/70 ,  H04L65/4069 ,  H04N19/30 ,  H04N19/423 ,  H04N19/44 ,  H04N21/234327 ,  H04N21/2401

Abstract: A video processing device obtains a data stream comprising a plurality of elementary streams and a High Efficiency Video Coding (HEVC) timing and Hypothetical Reference Decoder (HRD) descriptor. The HEVC timing and HRD descriptor comprises a target schedule index syntax element indicating an index of a delivery schedule. The video processing device may identify, based on a set of parameters, a syntax element in an array of syntax elements in a video parameter set (VPS). The set of parameters may comprise a parameter having a value equal to a value of the target schedule index syntax element. The video processing device may identify, based on an index specified by the identified syntax element, a particular HRD parameters syntax structure in a plurality of HRD parameters syntax structures as being applicable to a particular elementary stream.

Abstract translation: 视频处理装置获得包括多个基本流的数据流和高效率视频编码（HEVC）定时和假设参考解码器（HRD）描述符。 HEVC定时和HRD描述符包括指示传送调度的索引的目标调度索引语法元素。 视频处理设备可以基于一组参数来识别视频参数集（VPS）中的语法元素阵列中的语法元素。 该组参数可以包括具有等于目标调度索引语法元素的值的值的参数。 视频处理设备可以基于由所识别的语法元素指定的索引来识别可应用于特定基本流的多个HRD参数语法结构中的特定HRD参数语法结构。

公开(公告)号：US09294777B2

公开(公告)日：2016-03-22

申请号：US14040014

申请日：2013-09-27

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N19/31 ,  H04N19/50 ,  H04N19/70

CPC classification number: H04N19/31 ,  H04N19/50 ,  H04N19/70

Abstract: An example method of decoding video data includes receiving information indicating a picture order count (POC) value of a last picture of a plurality of pictures in a progressive refinement segment in an encoded bitstream, and decoding at least some of the pictures in the progressive refinement segment according to a progressive refinement operation based on the received information.

Abstract translation: 解码视频数据的示例性方法包括：接收信息，指示编码比特流中逐行细化段中的多个图像的最后图像的图像顺序计数（POC）值，以及对逐行细化中的至少一些图像进行解码 根据接收的信息根据逐行细化操作进行分段。

公开(公告)号：US20160057420A1

公开(公告)日：2016-02-25

申请号：US14831644

申请日：2015-08-20

Applicant: QUALCOMM Incorporated

Inventor： Chao Pang ,  Krishnakanth Rapaka ,  Ye-Kui Wang ,  Joel Sole Rojals ,  Marta Karczewicz

IPC: H04N19/124 ,  H04N19/513 ,  H04N19/176

CPC classification number: H04N19/124 ,  H04N19/159 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/523 ,  H04N19/593 ,  H04N19/70

Abstract: A video coder may include a current picture and a reference picture in a reference picture list. The video coder may determine a co-located block of the reference picture. The co-located block is co-located with a current block of the current picture. Furthermore, the video coder derives a temporal motion vector predictor from the co-located block and may determine the temporal motion vector predictor has sub-pixel precision. The video coder may right-shift the temporal motion vector predictor determined to have sub-pixel precision. In addition, the video coder may determine, based on the right-shifted temporal motion vector predictor, a predictive block within the current picture.

Abstract translation: 视频编码器可以在参考图片列表中包括当前图片和参考图片。 视频编码器可以确定参考图片的共同定位块。 共址块与当前图像的当前块共同定位。 此外，视频编码器从共址块导出时间运动矢量预测器，并且可以确定时间运动矢量预测器具有子像素精度。 视频编码器可以对确定为具有子像素精度的时间运动矢量预测器进行右移。 此外，视频编码器可以基于右移时间运动矢量预测器确定当前图像内的预测块。

公开(公告)号：US09258559B2

公开(公告)日：2016-02-09

申请号：US13720622

申请日：2012-12-19

Applicant: Qualcomm Incorporated

Inventor： Ying Chen ,  Ye-Kui Wang ,  Li Zhang

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N13/00 ,  H04N15/00 ,  H04N19/50 ,  H04N19/597

CPC classification number: H04N19/50 ,  H04N13/161 ,  H04N13/349 ,  H04N19/124 ,  H04N19/44 ,  H04N19/597 ,  H04N19/91

Abstract: A video encoder generates, based on a reference picture set of a current view component, a reference picture list for the current view component. The reference picture set includes an inter-view reference picture set. The video encoder encodes the current view component based at least in part on one or more reference pictures in the reference picture list. In addition, the video encoder generates a bitstream that includes syntax elements indicating the reference picture set of the current view component. A video decoder parses, from the bitstream, syntax elements indicating the reference picture set of the current view component. The video decoder generates, based on the reference picture set, the reference picture list for the current view component. In addition, the video decoder decodes at least a portion of the current view component based on one or more reference pictures in the reference picture list.

公开(公告)号：US09247258B2

公开(公告)日：2016-01-26

申请号：US13660635

申请日：2012-10-25

Applicant: Qualcomm Incorporated

Inventor： Muhammed Zeyd Coban ,  Ye-Kui Wang ,  Marta Karczewicz

IPC: H04N19/174 ,  H04N19/105 ,  H04N19/70 ,  H04N19/172 ,  H04N19/46 ,  H04N19/61 ,  H04N19/11

CPC classification number: H04N19/174 ,  H04N19/105 ,  H04N19/11 ,  H04N19/159 ,  H04N19/172 ,  H04N19/436 ,  H04N19/46 ,  H04N19/463 ,  H04N19/61 ,  H04N19/70

Abstract: A video coder can control in-picture prediction across slice boundaries within a picture. In one example, a first syntax element can control if in-picture prediction across slice boundaries for slices of a picture. If in-picture prediction across slice boundaries is enabled for the picture, then a second syntax element can control, for an individual slices, if in-picture prediction across slice boundaries is enabled for the slice.

Abstract translation: 视频编码器可以控制图像内的切片边界的图像内预测。 在一个示例中，第一语法元素可以控制图片切片的切片边界中的图像内预测。 如果片段边界上的图像间预测被启用用于图像，则第二语法元素可以针对各个切片来控制切片边界上的图像间预测是否对切片启用。

公开(公告)号：US20150373373A1

公开(公告)日：2015-12-24

申请号：US14741298

申请日：2015-06-16

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang

IPC: H04N19/70 ,  H04N19/85 ,  H04N19/463

CPC classification number: H04N19/196 ,  H04N19/105 ,  H04N19/136 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/31 ,  H04N19/423 ,  H04N19/44 ,  H04N19/46 ,  H04N19/463 ,  H04N19/503 ,  H04N19/70 ,  H04N19/85

Abstract: In one example, a device for coding (e.g., encoding or decoding) video data includes a memory for storing data of a bitstream, and a video coder configured to determine whether to code an initial arrival delay syntax element of a bitstream partition initial arrival time supplemental enhancement information (SEI) message of the bitstream based on whether hypothetical reference decoder (HRD) parameters are coded for the bitstream, and in response to determining to code the initial arrival delay syntax element, coding the initial arrival delay syntax element. The video coder may determine to code the initial arrival delay syntax element only when a VclHrdBpPresentFlag for the bitstream has a value of true, e.g., only when video coding layer (VCL) HRD parameters are coded in the bitstream or when VCL HRD operations are determined to be needed in the bitstream.

Abstract translation: 在一个示例中，用于编码（例如，编码或解码）视频数据的设备包括用于存储比特流的数据的存储器，以及视频编码器，被配置为确定是否对比特流分区初始到达时间的初始到达延迟语法元素 基于假设的参考解码器（HRD）参数是否被编码用于比特流，并且响应于确定对初始到达延迟语法元素进行编码，对初始到达延迟语法元素进行编码，来补充比特流的补充增强信息（SEI）消息。 视频编码器可以仅在比特流的VclHrdBpPresentFlag为真时（例如，仅当在比特流中编码视频编码层（VCL）HRD参数）或者当VCL HRD操作被确定时才可以对初始到达延迟语法元素进行编码 在比特流中需要。

公开(公告)号：US20150304666A1

公开(公告)日：2015-10-22

申请号：US14689000

申请日：2015-04-16

Applicant: QUALCOMM Incorporated

Inventor： Vadim Seregin ,  Jianle Chen ,  Ye-Kui Wang ,  Ying Chen

IPC: H04N19/187 ,  H04N19/50 ,  H04N19/124 ,  H04N19/167 ,  H04N19/61

CPC classification number: H04N19/187 ,  H04N19/124 ,  H04N19/167 ,  H04N19/176 ,  H04N19/30 ,  H04N19/50 ,  H04N19/61 ,  H04N19/70

Abstract: A system and method for coding a picture in a multi-layer bitstream is disclosed. In one aspect, the method includes encoding at least one layer of the multi-layer bitstream in accordance with a first coding scheme. The multi-layer bitstream may comprise a base layer. The method further includes encoding a conformance window flag and at least one position offset for the picture in a Video Parameter Set (VPS) of the base layer. The conformance window flag may indicate that the VPS comprises the at least one position offset.

Abstract translation: 公开了一种用于对多层比特流中的图像进行编码的系统和方法。 一方面，该方法包括根据第一编码方案对多层比特流的至少一层进行编码。 多层比特流可以包括基本层。 该方法还包括对基本层的视频参数集（VPS）中的一致性窗口标志和图像的至少一个位置偏移进行编码。 一致性窗口标志可以指示VPS包括至少一个位置偏移。

公开(公告)号：US20150271498A1

公开(公告)日：2015-09-24

申请号：US14665923

申请日：2015-03-23

Applicant: QUALCOMM Incorporated

Inventor： Ye-Kui Wang ,  Adarsh Krishnan Ramasubramonian ,  Fnu Hendry

IPC: H04N19/13 ,  H04N19/91 ,  H04N19/187 ,  H04N19/154 ,  H04N19/166

CPC classification number: H04N19/37 ,  H04N19/30 ,  H04N19/60 ,  H04N19/70 ,  H04N19/88 ,  H04N19/89

Abstract: In an example, a method of coding video data includes coding one or more non-video coding layer (VCL) network abstraction layer (NAL) units of a layer of a multi-layer bitstream, where the one or more non-VCL NAL units contain a decoded picture hash SEI message. The method also includes determining a set of layers of the multi-layer bitstream to which the decoded picture hash SEI message is applicable based on a layer identifier of the one or more non-VCL NAL units containing the decoded picture hash SEI message.

Abstract translation: 在一个示例中，视频数据的编码方法包括对多层比特流层的一个或多个非视频编码层（VCL）网络抽象层（NAL）单元进行编码，其中一个或多个非VCL NAL单元 包含解码图片哈希SEI消息。 该方法还包括基于包含解码图像哈希SEI消息的一个或多个非VCL NAL单元的层标识符来确定解码图像哈希SEI消息可应用于的多层比特流的一组层。

公开(公告)号：US20150271487A1

公开(公告)日：2015-09-24

申请号：US14663155

申请日：2015-03-19

Applicant: QUALCOMM Incorporated

Inventor： Xiang Li ,  Chao Pang ,  Ying Chen ,  Ye-Kui Wang

IPC: H04N19/105 ,  H04N19/573 ,  H04N19/58 ,  H04N19/139 ,  H04N19/176 ,  H04N19/159

CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/503 ,  H04N19/52 ,  H04N19/573 ,  H04N19/58

Abstract: An example method for encoding or decoding video data includes storing, by a video coder and in a reference picture buffer, a version of a current picture of the video data, including the current picture in a reference picture list (RPL) used to predict the current picture, and coding, by the video coder and based on the RPL, a block of video data in the current picture based on a predictor block of video data included in the version of the current picture stored in the reference picture buffer.

Abstract translation: 用于对视频数据进行编码或解码的示例性方法包括：通过视频编码器和参考图像缓冲器，将用于预测图像数据的参考图像列表（RPL）中的包括当前图像的视频数据的当前图像的版本存储 通过视频编码器并且基于RPL，基于存储在参考图像缓冲器中的当前图像的版本中包括的视频数据的预测块，当前图像中的视频数据块。

公开(公告)号：US20150195564A1

公开(公告)日：2015-07-09

申请号：US14585041

申请日：2014-12-29

Applicant: QUALCOMM Incorporated

Inventor： Adarsh Krishnan Ramasubramonian ,  Fnu Hendry ,  Ye-Kui Wang

IPC: H04N19/573 ,  H04N19/577 ,  H04N19/52

Abstract: A method for coding a reference picture set (RPS) in multi-layer coding is disclosed. In one aspect, the method may involve determining whether a current picture of video information is a discardable picture. The method may also involve refraining from including the current picture in an RPS based on the determination that the current picture is a discardable picture. The method may further involve encoding the video information based at least in part on the RPS.

Abstract translation: 公开了一种用于对多层编码中的参考图像集（RPS）进行编码的方法。 一方面，该方法可以包括确定视频信息的当前图像是否是可丢弃的图像。 该方法还可以包括基于当前图片是可丢弃图片的确定来禁止将当前图片包括在RPS中。 该方法还可以包括至少部分地基于RPS对视频信息进行编码。